Turning on MultiProfile by default for ChromeOS

chrome/browser/performance_monitor/performance_monitor_browsertest.cc

Index: chrome/browser/performance_monitor/performance_monitor_browsertest.cc
diff --git a/chrome/browser/performance_monitor/performance_monitor_browsertest.cc b/chrome/browser/performance_monitor/performance_monitor_browsertest.cc
index 2dc6001a54aad33d545de3ce69038fdd8ab92911..071991180a134b1e48c1da8c985d1f8833710c9d 100644
--- a/chrome/browser/performance_monitor/performance_monitor_browsertest.cc
+++ b/chrome/browser/performance_monitor/performance_monitor_browsertest.cc
@@ -290,8 +290,10 @@ class PerformanceMonitorUncleanExitBrowserTest
  public:
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     PerformanceMonitorBrowserTest::SetUpCommandLine(command_line);
-    if (GetParam())
-      command_line->AppendSwitch(::switches::kMultiProfiles);
+#if defined(OS_CHROMEOS)
+    command_line->AppendSwitch(
+        chromeos::switches::kIgnoreUserProfileMappingForTests);
+#endif
   }
 
   virtual bool SetUpUserDataDirectory() OVERRIDE {